<template>
	<view>
     <view class="goods-list">
      <view v-for="(goods,i) in goodsList" :key='i' @click="gotoDetail(goods)">
       <my-goods :goods="goods"></my-goods>
      </view>
       
     </view>
      
	</view>
</template>

<script>
	export default {
		data() {
			return {
				// 请求参数对象
        queryObj: {
          query: '',
          cid: '',
          pagenum: 1,
          pagesize: 10
        },
        goodsList: [],
        total: 0,
        // 节流阀
        isloading: false
			};
		},
    onLoad(options) { 
      this.queryObj.query = options.query || ''
      this.queryObj.cid =options.cid || ''
      this.getGoodsList()
      console.log(this.queryObj)
      },
      methods:{
        // 获取商品列表数据的方法
        async getGoodsList(cb) {
          // 打开节流阀
          this.isloading = true
          const {data: res} = await uni.$http.get('/api/public/v1/goods/search',this.queryObj)
          // 关闭节流阀
          this.isloading = false
          cb && cb()
          if(res.meta.status !==200) return uni.$showMsg()
          this.goodsList = [...this.goodsList, ...res.message.goods]
          this.total = res.message.total
        },
        gotoDetail(goods) {
          uni.navigateTo({
            url:'/subpkg/goods_detail/goods_detail?goods_id=' + goods.goods_id
          })
        }
      },
      onReachBottom() {
        if(this.queryObj.pagenum * this.queryObj.pagesize >=this.total) return uni.$showMsg('数据加载完毕')
        if(this.isloading) return 
        // 让页码自增+1
        this.queryObj.pagenum++ 
        this.getGoodsList()
      },
      onPullDownRefresh() {
        // 重置关键数据
        this.queryObj.pagenum = 1
        this.total = 0
        this.isloading = false
        this.goodsList = []
        // 重新发起数据请求
        this.getGoodsList(() => uni.stopPullDownRefresh())
      }
	}
</script>

<style lang="scss">

</style>
